Unify logging in vnc/* (#1811)
Unify logging in vnc/* (#1811)

* Migrating logging to LOG() and LOG_DEVEL() in vnc/* (#1811)
metalefty/xrdp,neutrinolabs/xrdp,PKRoma/xrdp,PKRoma/xrdp,metalefty/xrdp,neutrinolabs/xrdp,PKRoma/xrdp,neutrinolabs/xrdp,metalefty/xrdp